22958473 has 2 divisors, whose sum is σ = 22958474. Its totient is φ = 22958472.

The previous prime is 22958471. The next prime is 22958521. The reversal of 22958473 is 37485922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16867449 + 6091024 = 4107^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 22958473 - 2¹ = 22958471 is a prime.

Together with 22958471, it forms a pair of twin primes.

It is the 4792-nd Hogben number.

It is not a weakly prime, because it can be changed into another prime (22958471) by changing a digit.

It is a nontrivial repunit in base 4791.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11479236 + 11479237.

It is an arithmetic number, because the mean of its divisors is an integer number (11479237).

Almost surely, 2^22958473 is an apocalyptic number.

It is an amenable number.

22958473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22958473 is an equidigital number, since it uses as much as digits as its factorization.

22958473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 22958473 is about 4791.5000782636. The cubic root of 22958473 is about 284.2154394182.

The spelling of 22958473 in words is "twenty-two million, nine hundred fifty-eight thousand, four hundred seventy-three".